if a square has length of its side is 8cm then find length of its diagonal​

Answers

Answer 1

Answer:

8√2 cm

Step-by-step explanation:

Answer 2
If the length of one side of a square is 8 cm, then the length of the diagonal can be found using the Pythagorean theorem, which states that the square of the length of the diagonal of a right triangle is equal to the sum of the squares of the lengths of its two legs.

In a square, the diagonal is the hypotenuse of a right triangle whose legs are the two sides of the square. Since all sides of a square are equal, we can label the length of one side of the square as "a". Therefore, the length of the diagonal "d" can be found as:

d = √(a^2 + a^2) (using Pythagorean theorem)

Substituting the value of "a" as 8 cm, we get:

d = √(8^2 + 8^2)
d = √(64 + 64)
d = √128
d = 8√2 cm (rounded to two decimal places)

Therefore, the length of the diagonal of a square whose side length is 8 cm is approximately 11.31 cm (rounded to two decimal places).

Related Questions

simplify [Xn (X'nY)]'.​

Answers

Answer:

(X'U'Y) + (XUY')

Step-by-step explanation:

Starting with [Xn(X'nY)]', we can use De Morgan's laws to simplify the expression:

[Xn(X'nY)]' = (Xn)' + (X'nY)'

Recall that Xn represents the logical operator "and", while X' represents "not X". Using these definitions, we can expand the expression:

(Xn)' + (X'nY)' = (X'U'Y) + (XUY')

where U represents the logical operator "or".

Therefore, [Xn(X'nY)]' simplifies to (X'U'Y) + (XUY').

Graph the linear equation
5x -6y = 30 by following these steps:
Step 1: Find the x-intercept. Let y = 0 and solve for x.
x=

Answers

Answer:

Substitute 0 for the value of x and y.

5x - 6y = 30

5x - 6(0) = 30

5x = 30

The x-intercept is 6.

x = 6

(6, 0)

5x - 6y = 30

5(0) - 6y = 30

-6y = 30

y = -5

The y-intercept is -5.

(0, -5)

(The graph is in the picture)

Nick's new home had a purchase price of $145,500. He got a 30-year fixed mortgage for 75% of the purchase price. The interest rate on the loan is 3.15%. What is his monthly payment?

Answers

Nick's monthly mortgage payment is $482.16.

What is statistics?

Statistics is a branch of mathematics that deals with the collection, analysis, interpretation, presentation, and organization of numerical data.

To calculate Nick's monthly mortgage payment, we first need to find out the amount he borrowed from the bank, which is 75% of the purchase price:

$145,500 x 0.75 = $109,125

Next, we need to calculate the monthly interest rate. We can do this by dividing the annual interest rate (3.15%) by 12:

3.15% / 12 = 0.002625

Now we can use the following formula to calculate Nick's monthly payment:

M = P [ [tex]i(1 + i)^{n}[/tex] ] / [ [tex](1 + i)^{n}[/tex] – 1]

Where:

M = Monthly payment

P = Loan amount (principal)

i = Monthly interest rate

n = Number of payments (in months)

Plugging in the values we have:

M = $109,125 [ 0.002625 [tex](1 + 0.002625)^{360}[/tex] ] / [ [tex](1 + 0.002625)^{360}[/tex] – 1]

M = $482.16

Therefore, Nick's monthly mortgage payment is $482.16.

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Différenciation implicit function containing product and quotient. d/dx (2y/5x)

Answers

Answer:

To differentiate the given expression, we will need to use both the product rule and the quotient rule.

Let's first rewrite the expression using the reciprocal identity for x:

2y/5x = 2y * (5x)^(-1)

Now we can use the product rule and the quotient rule to find the derivative with respect to x:

d/dx [2y * (5x)^(-1)] = 2y * d/dx[(5x)^(-1)] + (5x)^(-1) * d/dx[2y]

Using the chain rule, we can find the derivative of (5x)^(-1) with respect to x:

d/dx[(5x)^(-1)] = -1/(5x)^2 * 5 * (dx/dx)

d/dx[(5x)^(-1)] = -1/(5x)^2

Using the chain rule again, we can find the derivative of 2y with respect to x:

d/dx[2y] = 2 * (dy/dx)

Substituting these expressions back into the original equation, we get:

d/dx [2y/5x] = 2y * (-1/(5x)^2) + (5x)^(-1) * 2 * (dy/dx)

Simplifying this expression, we get:

d/dx [2y/5x] = -2y/(5x)^2 + 2/(5x) * (dy/dx)

Therefore, the derivative of 2y/5x with respect to x is -2y/(5x)^2 + 2/(5x) * (dy/dx).

3. Choose the best answer.
The ABC Ad Agency has two automotive tire chains as clients. This could lead to a(n)
A)conflict of interest
B)defect
C)stereotype
D)overworked staff

Answers

The correct option - A) conflict of interest is caused due to ABC Ad Agency has two automotive tire chains as clients.

Explain about the conflict of interest:

A conflict of interest arises when a person's personal interests, such as those related to their family, friends, finances, or social standing, potentially impair their judgement, choices, or actions at work. Conflicts of interest are taken seriously enough by government organisations that they are governed.

Conflicts of interest happen most frequently when requirements and interests collide. Because of the nature of connections against policies of organisations or regulations of the federal and state levels, various forms of conflicts of interest may arise. Humans are prone to prejudice (having an unfair preference) due to trivial considerations like friendship, food, or flattery. They can also be persuaded to make a choice by the prospect of gaining money, status, or power.

For the given data- The ABC Ad Agency has two automotive tire chains as clients.

This, could  lead to a(n) conflict of interest.

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NEED ASAP PLSS

The average weight per adult is 150 pounds, and the average weight per child is 40 pounds. Write an equation for the number of adults A and the number of children C the elevator can hold.

Answers

Let's assume that the elevator has a weight capacity of W pounds.

We can set up two equations to represent the number of adults (A) and the number of children (C) the elevator can hold:

Averaged weight per adult * Number of adults + Averaged weight per child * Number of children ≤ Weight capacity of the elevator

Using the given values, we can substitute:

150A + 40C ≤ W

This equation represents the weight limit of the elevator, where the sum of the weight of all adults and children inside the elevator cannot exceed W.

Will mark brainliest if answer is correct

Answers

All the intersection points are determined as (-65, 0, 3.48).

What are the intersection points?

To find the intersection points of the two given functions, we can set them equal to each other and solve for the values of x and y that satisfy the equation.

Setting y = 3x² + x - 10 equal to y = x³ + 6x² + d, we get:

3x² + x - 10 = x³ + 6x² + d

Rearranging this equation, we get:

x³ + 3x² - x + d - 10 = 0 ...........(1)

Now, since we are given that the two graphs intersect at x = -5, we can substitute x = -5 into equation (1) to find the value of d.

Substituting x = -5 into equation (1), we get:

(-5)³ + 3(-5)² - (-5) + d - 10 = 0

-125 + 3(25) + 5 + d - 10 = 0

75 + d - 10 = 0

65 + d = 0

d = -65

So the value of d is -65.

Now that we have the value of d, we can substitute it back into equation (1) to find the other intersection points.

Substituting d = -65 into equation (1), we get:

x³ + 3x² - x - 75 = 0 ...........(2)

Solve equation (2), using graphing system.

roots = (3.48, 0)

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14. Type the correct answer in each box.

Answers

In C = -3(A - B), the element represented by c41 is given as follows: -15.In D = -3(A + B), the element represented by d41 is given as follows: -27.

How to realize the operations with matrices?

A41 represents the element at the line 4 and column 1, which is the same for B41.

When two matrices are added or subtract, we add or subtract the elements at the same position.

The elements are:

A41 = 7.B41 = 2.

Hence:

(A - B)41 = 7 - 2 = 5.(A + B)41 = 7 + 2 = 9.

When a matrix is multiplied by a constant, each element is multiplied by a constant, hence:

c41 = -3 x 5 = -15.d41 = -3 x 9 = -27.

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Suppose Fatima went to buy a $25,000 car and wanted to own it after 5 years. If she got a
4.7% interest rate, what is her monthly payment?

Answers

Therefore, Fatima's monthly payment would be $460.23.

What is interest?

Interest is the amount of money that is charged by a lender to a borrower for the use of money or a loan. It is usually calculated as a percentage of the principal amount (the amount of money borrowed) and can be either simple or compound, depending on the type of loan. Interest is typically paid by the borrower to the lender over a set period of time, such as monthly, quarterly, or annually. The interest rate can be fixed or variable, and is determined by a variety of factors including the borrower's creditworthiness, the amount of the loan, and the length of the repayment period.

Here,

To calculate the monthly payment for a car loan, we need to use the formula:

M = P [ i(1 + i)ⁿ] / [ (1 + i)ⁿ – 1]

Where:

M = monthly payment

P = principal (the amount of the loan)

i = monthly interest rate (annual interest rate divided by 12)

n = number of months

First, we need to calculate the monthly interest rate:

i = 4.7% / 12

= 0.003917

Next, we need to calculate the number of months:

n = 5 years x 12 months/year

= 60 months

Now, we can plug in the values and solve for M:

M = 25,000 [ 0.003917(1 + 0.003917)⁶⁰ ] / [ (1 + 0.003917)⁶⁰ – 1]

M = $460.23 (rounded to the nearest cent)

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Which function represents the inverse of function f?
= 3x + 5
O A. T (2)
O B.
O c.
O D.
=-3x - 5
x+ //
– ž
g(x) =
p(x) =
8(x) = 3z +5
x

Answers

The inverse function of f(x) = 3x + 5 is given as follows:

C. p(x) = 1/3x - 5/3.

How to obtain the inverse function?

The function in the context of this problem is defined as follows:

f(x) = 3x + 5.

To obtain the inverse function, first we must exchange the variables x and y, hence:

y = 3x + 5

x = 3y + 5.

Now we must isolate the variable y, hence:

3y = x - 5

y = (x - 5)/3.

p(x) = 1/3x - 5/3.

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A principal of $1500 is invested at 8.5% interest, compounded annually.

How much will the investment be worth after 14 years?

Use the calculator provided and round your answer to the nearest dollar.

Answers

The investment will be worth approximately $4468 after 14 years.

What is annual interest rate?

Annual interest rate is the rate at which an investment or loan grows in value over the course of a year, expressed as a percentage. It represents the cost of borrowing or the return on investment over one year.

According to question:

The following equation can be used to determine the future value of an investment using compound interest:

FV = P * (r/n + 1)(n*t)

Where:

FV is the investment's future value.

The principal is P. (initial investment)

The annual interest rate is represented by r,

The number of times the interest is compounded annually by n (expressed as a decimal).

t is the time (in years)

In this case:

P = $1500

r = 8.5% = 0.085

n = 1 (compounded annually)

t = 14

With these values entered into the formula, we obtain:

FV = 1500 * [tex](1 + 0.085/1)^(1*14)[/tex]

     = $4467.56

Therefore, the investment will be worth approximately $4468 after 14 years.

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How does examining the answers to a question help you determine if the question is a statistical question?

Answers

As a statistical question is one that can be addressed using statistical methods or analysis, looking at the responses to a question can help identify whether it is a statistical question.

In order to provide a response to a question regarding a population or sample, statistical inquiries typically entail gathering and evaluating data. Consequently, a statistical question's responses would require some sort of data analysis or interpretation.

As a result, we can tell if a question is statistical by looking at the replies and seeing if it requires the use of statistical techniques and data analysis to answer.

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When two sample means are significantly different
Group of answer choices

The pooled variance estimate should not be used

The difference is too great to attribute to chance

The corresponding population means are significantly different

The difference is of practical importance

Answers

When two sample means are significantly different, "the difference is too great to attribute to chance".

What is statistical significance?

The likelihood of finding a difference between two samples (such means or proportions) through pure chance is known as statistical significance. The likelihood of obtaining the observed difference if there were no actual difference between the associated population parameters is calculated to ascertain this. The difference is deemed statistically significant if the p-value is below a predetermined cutoff (often 0.05).

Significant difference between two sample means indicates that the likelihood of such a difference occurring by chance alone is low. If there is a true difference between the matching population means from which the samples were selected, it shows that the difference between the sample means is too large to be explained by chance.

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A baseball team has the starting and relief pitchers shown in the table. The manager selects a pitcher at random. Find the probability that the pitcher is left-handed.

Pitchers on Baseball Team (Table)
Pitchers Number
Left-handed starters 1
Right-handed starters 4
Left-handed relievers 2
Right-handed relievers 1

Answers

Okay, here are the steps to find the probability the randomly selected pitcher is left-handed:

1) There are 1 left-handed starter, 4 right-handed starters, 2 left-handed relievers and 1 right-handed reliever.

2) In total, there are 1 + 4 + 2 + 1 = 8 pitchers.

3) Of the 8 pitchers, 1 + 2 = 3 are left-handed.

4) So the probability the randomly selected pitcher is left-handed = (3/8) = 3/8 = 0.375

Therefore, the probability that the randomly selected pitcher from the team is left-handed is 0.375.

Let me know if you have any other questions!

please help me with this pentomino question.

Answers

a. There are twelve unique pentominos possible in all.

b. In total, only 6 pentominos have the refection symmetry.

What is a pentomino?

A pentomino is an order 5 polyomino, or a plane polygon formed of 5 identical squares joined edge to edge. This is just linked with a certain arrangement of squares.

a. There are twelve unique pentominos possible in all which on reflection and rotation can create multiple more pentominos.

b. In total, 6 pentominos have refection symmetry which means that now the total pentominos are 18 of which 6 have reflection symmetry.

Hence, the required solution has been obtained.

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Find the gradients of lines A and B

Answers

(1,1) is the correct answer

The correct answer is (1,1) because both of the lines meet together at these numbers

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